2. Microwave cake on HIGH 14 minutes or until Cake Tester inserted near center comes out clean. (Cake will be slightly moist on top near center.) Let stand in microwave 10 minutes. If necessary, loosen cake from sides of pan; invert onto serving plate. Cool at least 30 minutes.

3. For glaze, in Small Bowl, combine powdered sugar and 3-4 teaspoons milk to make a thick glaze. Zest orange. Spread glaze over top of cake. Arrange pecan halves evenly over top of cake, if desired; sprinkle with orange zest. Let stand until glaze is set before slicing.